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[Qemu-devel] [PULL 17/17] linux-user/mmap.c: Use end instead of real_end
From: |
riku . voipio |
Subject: |
[Qemu-devel] [PULL 17/17] linux-user/mmap.c: Use end instead of real_end in target_mmap |
Date: |
Mon, 11 Jan 2016 16:16:19 +0200 |
From: Chen Gang <address@hidden>
The fragment must effectively be mapped only to "end" not to "real_end"
(which is a host page aligned address, and thus this is not a fragment).
It is consistent with what it is done in the case of one single page.
Signed-off-by: Chen Gang <address@hidden>
Reviewed-by: Laurent Vivier <address@hidden>
Signed-off-by: Riku Voipio <address@hidden>
---
linux-user/mmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index c6c478e..445e8c6 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -538,7 +538,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int
prot,
/* handle the end of the mapping */
if (end < real_end) {
ret = mmap_frag(real_end - qemu_host_page_size,
- real_end - qemu_host_page_size, real_end,
+ real_end - qemu_host_page_size, end,
prot, flags, fd,
offset + real_end - qemu_host_page_size - start);
if (ret == -1)
--
2.6.4
- [Qemu-devel] [PULL 00/17] linux-user queque, riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 01/17] linux-user: add signalfd/signalfd4 syscalls, riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 06/17] linux-user: rename TargetFdFunc to TargetFdDataFunc, and structure fields accordingly, riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 04/17] linux-user/syscall.c: malloc()/calloc() to g_malloc()/g_try_malloc()/g_new0(), riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 05/17] linux-user: SOCK_PACKET uses network endian to encode protocol in socket(), riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 03/17] linux-user: in poll(), if nfds is 0, pfd can be NULL, riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 02/17] linux-user: correctly align target_epoll_event, riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 08/17] linux-user: manage bind with a socket of SOCK_PACKET type., riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 17/17] linux-user/mmap.c: Use end instead of real_end in target_mmap,
riku . voipio <=
- [Qemu-devel] [PULL 11/17] linux-user/mmap.c: Always zero MAP_ANONYMOUS memory in mmap_frag(), riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 07/17] linux-user: add a function hook to translate sockaddr, riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 14/17] linux-user/syscall.c: Use SOL_SOCKET instead of level for setsockopt(), riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 15/17] linux-user: Update m68k syscall definitions to match Linux 4.4., riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 10/17] linux-user, sh4: fix signal retcode address, riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 09/17] linux-user: check fd is >= 0 in fd_trans_host_to_target_data/fd_trans_host_to_target_addr, riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 13/17] linux-user: enable sigaltstack for all architectures, riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 12/17] unicore32: convert get_sp_from_cpustate from macro to inline, riku . voipio, 2016/01/11
- [Qemu-devel] [PULL 16/17] linux-user: Add SOCKOP_sendmmsg and SOCKOP_recvmmsg socket call, wire them up., riku . voipio, 2016/01/11